FILTRATION
The Trumbull Public Service Corporation is installing a new filtration plant for the water supply of the City of Warren, Ohio, in accordance with plans and specifications of Chester & Fleming, Engineers, Pittsburgh, Pa.
At East Liverpool, O., the contract for automatic filter control apparatus for the new city filtration plant has been given to the Pittsburgh Filter Manufacturing Company. Chester & Fleming, Engineers, in charge of the new plant, are supervising the installation of this apparatus.
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